Search a number
-
+
2221133031001 = 17912408564419
BaseRepresentation
bin100000010100100101110…
…110000110011001011001
321212100010120122202001101
4200110211312012121121
5242342340023443001
64420212513151401
7316320514153243
oct40244566063131
97770116582041
102221133031001
11786a82766a65
122ba578b5b561
131315b4c05601
1479709513093
153cb9b8caa01
hex20525d86659

2221133031001 has 4 divisors (see below), whose sum is σ = 2233541595600. Its totient is φ = 2208724466404.

The previous prime is 2221133030971. The next prime is 2221133031067. The reversal of 2221133031001 is 1001303311222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2221133031001 - 221 = 2221130933849 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2221133031001.

It is not an unprimeable number, because it can be changed into a prime (2221133031301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6204282031 + ... + 6204282388.

It is an arithmetic number, because the mean of its divisors is an integer number (558385398900).

Almost surely, 22221133031001 is an apocalyptic number.

It is an amenable number.

2221133031001 is a deficient number, since it is larger than the sum of its proper divisors (12408564599).

2221133031001 is a wasteful number, since it uses less digits than its factorization.

2221133031001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12408564598.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2221133031001 its reverse (1001303311222), we get a palindrome (3222436342223).

The spelling of 2221133031001 in words is "two trillion, two hundred twenty-one billion, one hundred thirty-three million, thirty-one thousand, one".

Divisors: 1 179 12408564419 2221133031001